| 摘要 |
PURPOSE:To prevent a shellfish from adhering to the belly of a ship, by coating the belly of the ship with an adhesive polyethylene plate. CONSTITUTION:The belly of a ship is coated by a polyethylene plate formed such that four layers of vinyl, copolymer resin of vinyl acetic acid, EVA and polyethylene, successively arranged from lower layers, are heated and softened under pressure while increased with combination of a molecule then formed as an integral unit. In this way, the belly of the ship results in the coating by the polyethylene plate having an iron adherable vinyl surface in its rear side while a shellfish preventive pure polyethylene surface in its front side. |
